chore: import upstream snapshot with attribution

This commit is contained in:
wehub-resource-sync
2026-07-13 12:58:18 +08:00
commit 6d5d58c1a9
18293 changed files with 3502153 additions and 0 deletions
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<Steps>
<Step>
### Install the LangGraph Python SDK
<InstallPythonSDK />
</Step>
<Step>
### Add state streaming middleware
`StateStreamingMiddleware` maps a tool argument to an agent state key and
forwards partial tool-call arguments as state updates while the model is
still generating.
<DemoCode file="src/agents/shared_state_streaming.py" region="state-streaming-middleware" />
</Step>
</Steps>